#### What are the quartiles for the following set of numbers? 8, 11, 20, 10, 2, 17, 15, 5, 16, 15, 25, 6

Anonymous

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Anonymous

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Sangeetha Pulapaka

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First arrange the numbers in order: 2, 5, 6, 8, 10, 11, 15, 15, 16, 17, 20, 25

This list can be split up into four equal groups of three:

Therefore:

Q_{1} is the mean of 6 and 8 = (6 + 8) ÷ 2 = 7

Q_{2} is the mean of 11 and 15 = (11 + 15) ÷ 2 = 13

Q_{3} is the mean of 16 and 17 = (16 + 17) ÷ 2 = 16.5

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